At Thu, 19 Nov 2020 15:23:05 +0900 (JST), Kyotaro Horiguchi <horikyota....@gmail.com> wrote in > At Wed, 18 Nov 2020 21:42:02 -0800, Andres Freund <and...@anarazel.de> wrote > in > > Hi, > > > > On 2020-11-19 14:25:36 +0900, Kyotaro Horiguchi wrote: > > > # Creation, searching and expiration > > > master : 6393.23 (100.0) > > > patched-off: 6527.94 (102.1) > > > patched-on : 15880.01 (248.4) > > > > What's the deal with this massive increase here? > > CatCacheRemovedCTup(). If I replaced a call to the function in the > cleanup functoin with dlist_delete(), the result changes as: > > master : 6372.04 (100.0) (2) > patched-off : 6464.97 (101.5) (2) > patched-on : 5354.42 ( 84.0) (2) > > We could boost the expiration if we reuse the "deleted" entry at the > next entry creation.
That result should be bogus. It forgot to update cc_ntup.. regards. -- Kyotaro Horiguchi NTT Open Source Software Center